401641127 has 2 divisors, whose sum is σ = 401641128. Its totient is φ = 401641126.

The previous prime is 401641117. The next prime is 401641139. The reversal of 401641127 is 721146104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401641127 - 2¹⁰ = 401640103 is a prime.

It is a super-2 number, since 2×401641127² = 322631189795660258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 401641096 and 401641105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401641117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200820563 + 200820564.

It is an arithmetic number, because the mean of its divisors is an integer number (200820564).

Almost surely, 2^401641127 is an apocalyptic number.

401641127 is a deficient number, since it is larger than the sum of its proper divisors (1).

401641127 is an equidigital number, since it uses as much as digits as its factorization.

401641127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 401641127 is about 20040.9861783296. The cubic root of 401641127 is about 737.8125853717.

The spelling of 401641127 in words is "four hundred one million, six hundred forty-one thousand, one hundred twenty-seven".